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V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-methane reforming over high temperature stable NiCoMgCeOx and NiCoMgOx supported on zirconia-haffnia catalysts: accelerated sulfur deactivation and regeneration, Catalysis Communications, vol. 8, no. 3, pp. 561-564, 2007.
V. R. Choudhary and Jha, R., GaClx- or GaAlClx-grafted Si-MCM-41: highly active and moisture insensitive/stable catalyst for the acylation and benzylation of benzene, naphthalene and substituted benzenes, Applied Catalysis A-General, vol. 333, no. 1, pp. 42-48, 2007.
V. R. Choudhary, Samanta, C., and Jana, P., Formation from direct oxidation of H-2 and destruction by decomposition/hydrogenation of H2O2 over Pd/C catalyst in aqueous medium containing different acids and halide anions, Applied Catalysis A-General, vol. 317, no. 2, pp. 234-243, 2007.
V. R. Choudhary, Samanta, C., and Jana, P., Decomposition and/or hydrogenation of hydrogen peroxide over Pd/Al2O3 catalyst in aqueous medium: factors affecting the rate of H2O2 destruction in presence of hydrogen, Applied Catalysis A-General, vol. 332, no. 1, pp. 70-78, 2007.
V. R. Choudhary and Jana, P., In situ generation of hydrogen peroxide from reaction of O-2 with hydroxylamine from hydroxylammonium salt in neutral aqueous or non-aqueous medium using reusable Pd/Al2O3 catalyst, Catalysis Communications, vol. 8, no. 11, pp. 1578-1582, 2007.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over Br and F-promoted Pd/Al2O3 in aqueous acidic medium: influence of the concentration of Br and F and the method of incorporation of the two halogens in the catalyst on their beneficial synergetic effect on the net H2O2, Applied Catalysis A-General, vol. 329, pp. 79-85, 2007.
V. R. Choudhary, Jha, R., Chaudhari, N. K., and Jana, P., Supported copper oxide as a highly active/selective catalyst for the epoxidation of styrene by TBHP to styrene oxide, Catalysis Communications, vol. 8, no. 10, pp. 1556-1560, 2007.
V. R. Choudhary, Jha, R., and Jana, P., Solvent-free selective oxidation of benzyl alcohol by molecular oxygen over uranium oxide supported nano-gold catalyst for the production of chlorine-free benzaldehyde, Green Chemistry, vol. 9, no. 3, pp. 267-272, 2007.
V. R. Choudhary, Samanta, C., and Choudhary, T. V., Factors influencing decomposition of H2O2 over supported Pd catalyst in aqueous medium, Journal of Molecular Catalysis A-Chemical, vol. 260, no. 1-2, pp. 115-120, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-CO2 reforming of methane to syngas over CoOx/MgO/SA-5205 catalyst, Fuel, vol. 85, no. 17-18, pp. 2484-2488, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-CO2 reforming of methane to syngas over CoOx/CeO2/SA-5205 catalyst, Energy & Fuel, vol. 20, no. 5, pp. 1753-1756, 2006.
V. R. Choudhary and Mondal, K. C., CO2 reforming of methane combined with steam reforming or partial oxidation of methane to syngas over NdCoO3 perovskite-type mixed metal-oxide catalyst, Applied Energy, vol. 83, no. 9, pp. 1024-1032, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Methane reforming over a high temperature stable-NiCoMgOx supported on zirconia-hafnia catalyst, Chemical Engineering Journal, vol. 121, no. 2-3, pp. 73-77, 2006.
V. R. Choudhary, Dumbre, D. K., Patil, N. S., Uphade, B. S., and Bhargava, S. Kumar, Epoxidation of styrene by t-butyl hydroperoxide over gold nanoparticles supported on Yb2O3: effect of gold deposition method, gold loading, and calcination temperature of the catalyst on its surface properties and catalytic performance, Journal of Catalysis, vol. 300, pp. 217-224, 2013.
V. R. Choudhary, Samanta, C., and Choudhary, T. V., Direct oxidation of H-2 to H2O2 over Pd-based catalysts: influence of oxidation state, support and metal additives, Applied Catalysis A-General, vol. 308, pp. 128-133, 2006.
V. R. Choudhary, Highly efficient catalyst derived from Ni-Fe-hydrotalcite for solvent-free O- or S-acetylation of alcohols, phenols and thiols at room temperature, Proceedings of the National Academy of Sciences India Section A-Physical Sciences, vol. 83, no. 1, pp. 15-19, 2013.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., CO2 reforming of methane to syngas over CoOx/MgO supported on low surface area macroporous catalyst carrier: Influence of Co loading and process conditions, Industrial & Engineering Chemistry Research, vol. 45, no. 13, pp. 4597-4602, 2006.
V. R. Choudhary, Dumbre, D. K., Yadav, P. N., and Bhargava, S. Kumar, Thermally decomposed Cu-Fe-hydrotalcite. a novel highly active catalyst for o-arylation of naphthol and phenols by aryl halides, Catalysis Communications, vol. 29, pp. 132-136, 2012.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Partial oxidation of methane to syngas with or without simultaneous steam or CO2 reforming over a high-temperature stable-NiCoMgCeOx supported on zirconia-hafnia catalyst, Applied Catalysis A-General, vol. 306, pp. 45-50, 2006.
V. R. Choudhary, Mondal, K. C., and Mulla, S. Abdul Rash, Non-catalytic pyrolysis of ethane to ethylene in the presence of CO2 with or without limited O-2, Journal of Chemical Science, vol. 118, no. 3, pp. 261-267, 2006.
V. R. Choudhary, Dumbre, D. K., and Narkhede, V. S., Solvent-free oxidation of aldehydes to acids by TBHP using environmental-friendly -exchanged Mg-Al hydrotalcite catalyst, Journal of Chemical Sciences, vol. 124, no. 4, pp. 835-839, 2012.
V. R. Choudhary, Jha, R., and Choudhari, P. A., Highly active and reusable catalyst from Fe-Mg-hydrotalcite anionic clay for friedel-crafts type benzylation reactions, Journal of Chemical Sciences, vol. 117, no. 6, pp. 635-639, 2005.
V. R. Choudhary, Dumbre, D. K., and Patil, S. K., FeCl3/Montmorillonite K10 as an efficient catalyst for solvent-free aza-Michael reaction between amine and alpha,beta-unsaturated compounds, RSC Advances, vol. 2, no. 18, pp. 7061-7065, 2012.
V. R. Choudhary, Jha, R., and Narkhede, V. S., In-Mg-hydrotalcite anionic clay as catalyst or catalyst precursor for friedel-crafts type benzylation reactions, Journal of Molecular Catalysis A-Chemical, vol. 239, no. 1-2, pp. 76-81, 2005.
V. R. Choudhary and Dumbre, D. K., Solvent-free selective oxidation of primary alcohols-to-aldehydes and aldehydes-to-carboxylic acids by molecular oxygen over MgO-supported nano-gold catalyst, Catalysis Communications, vol. 13, no. 1, pp. 82-86, 2011.
V. R. Choudhary, Deshmukh, G. M., and Pataskar, S. G., Low temperature complete combustion of dilute toluene and methyl ethyl ketone over Mn-doped ZrO2 (cubic) catalysts, Journal of Chemical Technology and Biotechnology, vol. 80, no. 8, pp. 934-938, 2005.
V. R. Choudhary and Dumbre, D. K., Thermally decomposed Ni-Fe-hydrotalcite: a highly active catalyst for the solvent-free N-acylation of different amines by acid chlorides, Catalysis Communications, vol. 12, no. 14, pp. 1351-1356, 2011.
V. R. Choudhary, Mondal, K. C., and Mamman, A. Singh, High-temperature stable and highly active/selective supported NiCoMgCeOx catalyst suitable for autothermal reforming of methane to syngas, Journal of Catalysis, vol. 233, no. 1, pp. 36-40, 2005.
V. R. Choudhary and Dumbre, D. K., Solvent-free selective oxidation of benzyl alcohol to benzaldehyde by tert-butyl hydroperoxide over U3O8-supported nano-gold catalysts, Applied Catalysis A-General, vol. 375, no. 2, pp. 252-257, 2010.
V. R. Choudhary, Mondal, K. C., Mamman, A. Singh, and Joshi, U. A., Carbon-free dry reforming of methane to syngas over NdCoO3 perovskite-type mixed metal oxide catalyst, Catalysis Letters, vol. 100, no. 3-4, pp. 271-276, 2005.
V. R. Choudhary, Dumbre, D. K., and Bhargava, S. Kumar, Oxidation of benzyl alcohol to benzaldehyde by tert-butyl hydroperoxide over nanogold supported on TiO2 and other transition and rare-earth metal oxides, Industrial & Engineering Chemistry Research, vol. 48, no. 21, pp. 9471-9478, 2009.
V. R. Choudhary, Deshmukh, G. M., and Pataskar, S. G., Low-temperature complete combustion of a dilute mixture of methane and propane over transition-metal-doped ZrO2 catalysts: effect of the presence of propane on methane combustion, Environmental Science and Technology, vol. 39, no. 7, pp. 2364-2368, 2005.
V. R. Choudhary and Dumbre, D. K., Supported nano-gold catalysts for epoxidation of styrene and oxidation of benzyl alcohol to benzaldehyde, Topics in Catalysis, vol. 52, no. 12, pp. 1677-1687, 2009.
V. R. Choudhary and Deshmukh, G. M., Kinetics of the complete combustion of dilute propane and methyl ethyl ketone over Cr-doped ZrO2 catalyst, Chemical Engineering Science, vol. 60, no. 6, pp. 1575-1581, 2005.
V. R. Choudhary and Dumbre, D. K., Magnesium oxide supported nano-gold: a highly active catalyst for solvent-free oxidation of benzyl alcohol to benzaldehyde by TBHP, Catalysis Communications, vol. 10, no. 13, pp. 1738-1742, 2009.
V. R. Choudhary, Patil, N. S., Chaudhari, N. K., and Bhargava, S. Kumar, Epoxidation of styrene by anhydrous hydrogen peroxide over boehmite and alumina catalysts with continuous removal of the reaction water, Journal of Molecular Catalysis A-Chemical, vol. 227, no. 1-2, pp. 217-222, 2005.
V. R. Choudhary and Jha, R., Acylation of nitrobenzene and substituted nitrobenzenes by benzoyl chloride using GaClx- and GaAlClx-grafted meporous Si-MCM-41 catalysts, Microporous and Mesoporous Materials, vol. 119, no. 1-3, pp. 360-362, 2009.
V. R. Choudhary, Mondal, K. C., and Mulla, S. Abdul Rash, Simultaneous conversion of methane and methanol into gasoline over bifunctional Ga-, Zn-, In-, and/or Mo-modified ZSM-5 zeolites, Angewandte Chemie-International Edition, vol. 44, no. 28, pp. 4381-4385, 2005.
V. R. Choudhary and Jana, P., Direct H-2-to-H2O2 oxidation over highly active/selective Br-F-Pd/Al2O3 catalyst in aqueous acidic medium: Influence of process conditions on the H2O2 formation, Applied Catalysis A-General, vol. 352, no. 1-2, pp. 35-42, 2009.
V. R. Choudhary and Samanta, C., Hydrogen peroxide formation in the interaction of oxygen with boron-containing Pd catalysts prereduced by hydrazine in aqueous acidic medium containing bromide anions, Catalysis Letters, vol. 99, no. 1-2, pp. 79-81, 2005.
V. R. Choudhary, Patil, V. P., Jana, P., and Uphade, B. S., Nano-gold supported on Fe2O3: a highly active catalyst for low temperature oxidative destruction of methane green house gas from exhaust/waste gases, Applied Catalysis A-General, vol. 350, no. 2, pp. 186-190, 2008.
V. R. Choudhary, Samanta, C., and Jana, P., Novel route for in-situ H2O2 generation from selective reduction of O-2 by hydrazine using heterogeneous Pd catalyst in an aqueous medium, Chemical Communications, no. 43, pp. 5399-5401, 2005.
V. R. Choudhary, Jha, R., and Jana, P., Selective epoxidation of styrene to styrene oxide by TBHP using simple transition metal oxides (NiO, CoO or MoO3) as highly active environmentally-friendly catalyst, Catalysis Communications, vol. 10, no. 2, pp. 205-207, 2008.
V. R. Choudhary, Deshmukh, G. M., and Mishra, D. P., Kinetics of the complete combustion of dilute propane and toluene over iron-doped ZrO2 catalyst, Energy & Fuels, vol. 19, no. 1, pp. 54-63, 2005.
V. R. Choudhary, Jana, P., and Bhargava, S. Kumar, Direct H(2)-to-H(2)O(2) oxidation in aqueous acidic medium containing Br promoter over Pd/Al(2)O(3) and Pd/C catalysts thermally pretreated under different conditions, Catalysis Letters, vol. 125, no. 3-4, pp. 296-301, 2008.
V. R. Choudhary, Dhar, A., Jana, P., Jha, R., and Uphade, B. S., Green process for chlorine-free benzaldehyde from the solvent-free oxidation of benzyl alcohol with molecular oxygen over a supported nano-size gold catalyst, Green Chemistry, vol. 7, no. 11, pp. 768-770, 2005.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over PdO/Al2O3 catalysts in aqueous acidic medium: influence on H2O2 formation of Pd loading, calcination temperature and reduction of catalyst and presence of halide anions, Catalysis Communications, vol. 9, no. 14, pp. 2371-2375, 2008.
V. R. Choudhary, Samanta, C., and Jana, P., Hydrogenation of hydrogen peroxide over palladium/carbon in aqueous acidic medium containing different halide anions under static/flowing hydrogen, Industrial & Engineering Chemistry Research, vol. 46, no. 10, pp. 3237-3242, 2007.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over different supported PdO catalysts in aqueous acidic medium: Influence of the reduction, calcination temperature and support of the catalyst on its net H2O2 formation activity, Catalysis Communications, vol. 9, no. 7, pp. 1624-1629, 2008.
V. R. Choudhary, Jana, P., and Bhargava, S. Kumar, Reduction of oxygen by hydroxylammonium salt or hydroxylamine over supported Au nanoparticles for in situ generation of hydrogen peroxide in aqueous or non-aqueous medium, Catalysis Communications, vol. 8, no. 5, pp. 811-816, 2007.
V. R. Choudhary and Jha, R., GaAlCl(x)-grafted Mont.K-10 clay: highly active and stable solid catalyst for the friedel-crafts type benzylation and acylation reactions, Catalysis Communications, vol. 9, no. 6, pp. 1101-1105, 2008.
V. R. Choudhary, Jana, P., and Samanta, C., Generation of hydrogen peroxide via the selective reduction of oxygen by hydrazine sulfate over Br-promoted Pd/Al2O3 catalyst in an aqueous medium at ambient conditions, Applied Catalysis A-General, vol. 323, pp. 202-209, 2007.
V. R. Choudhary and Jana, P., Factors influencing the in situ generation of hydrogen peroxide from the reduction of oxygen by hydroxylamine from hydroxylammonium sulfate over Pd/alumina, Applied Catalysis A-General, vol. 335, no. 1, pp. 95-102, 2008.
V. R. Choudhary and Jana, P., Synergetic effect of two halogen promoters present in acidic reaction medium or catalyst on the H2O2 formation (in H-2-to-H2O2 oxidation) and destruction over Pd/C (or Al2O3) catalyst, Journal of Catalysis, vol. 246, no. 2, pp. 434-439, 2007.
V. R. Choudhary, Ingole, Y. V., Samanta, C., and Jana, P., Direct oxidation of hydrogen to hydrogen peroxide over Pd (or PdO)/Al2O3 in aqueous reaction medium: influence of different acids and halide anions in reaction medium on formation and destruction of H2O2, Industrial & Engineering Chemistry Research, vol. 46, no. 25, pp. 8566-8573, 2007.